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Abstract

A novel Gram-positive strain WQ 127069 that was isolated from the soil of Baima Snow Mountain, a habitat of highly endangered Yunnan snub-nosed monkeys (), was subjected to a polyphasic taxonomic study. Phylogenetic analysis based on the 16S rRNA gene sequences showed that the isolate belongs to the genus , showing 98.4 and 96.08 % sequence similarity to the type strains PM10 and LMG 31456, respectively. The G+C content of the genomic DNA of strain WQ127069 was 45.6 mol%. The predominant isoprenoid quinone was MK-7, and -diaminopimelic acid was present in peptidoglycan. The major cellular fatty acids were antiiso-C, iso-C and C. The major polar lipids were phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol and phosphatidylmonomethylethanolamine. The whole genome average nucleotide identity and digital DNA–DNA hybridization values between strain WQ 127069 and strain PM10 were 93.2 and 52.5 %, respectively. Growth occurred at 5–40 °C (optimally at 20–35 °C), pH 6–8 (optimally at pH7.0) and with 0.5–2 % (w/v) NaCl (optimally at 0.5 %). On the basis of the taxonomic evidence, a novel species, sp. nov., is proposed. The type strain is WQ 127069 (=KCTC 43480=CCTCC AB 2022381).

Funding
This study was supported by the:
  • Yunnan Provincial Education Department Research Fund Project (Award 2023J0004)
    • Principle Award Recipient: Xiu-LinHan
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2024-02-09
2024-03-04
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